#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main() {
    int n = 0;
    int arr[51];
    int sum = 0;
    scanf("%d", &n);
    for (int i = 0; i < n; i++)
    {
        scanf("%d", &arr[i]);
        sum = sum + arr[i];
    }
    printf("%d", sum);
    return 0;
}